"This is absolutely one of the scariest things I've ever seen," the police commissioner said.
Four suspects fired 17 shots at two teenage boys in North Philadelphia over the weekend.
Quentin Tarantino has "shown through his actions that he is anti-police," a Philadelphia police group charges.
Street artists, including Sam Durant, JR, Swoon and MOMO, contributed to the Mural Arts exhibit.
Keisha Jenkins, 22, was assaulted before being killed.
"It means a lot to us to have the blessing from the pope."
Pope calls for stronger "oversight to ensure that youth are protected."
"You could see he was very, very moved," New York's Cardinal Timothy Dolan said.
Demand is way up for Airbnb and HomeAway rentals, the companies say.
Pope Francis made history on Thursday when he spoke to a joint meeting of Congress.
Pope Francis continued his tour of Washington, D.C., on Wednesday.
The pontiff this week will visit New York City, Philadelphia and Washington.
When you're the worst team in baseball, someone has to pay.
A YouTube comedian of some sort may have been responsible.
Chaka Fattah Sr. and four of his associates were indicted on Wednesday.
The company said it's trying to improve safety in the wake of the deadly crash earlier this month.
The lawsuit, filed in Philadelphia, cited "serious and disabling" injuries from the May 12 derailment that killed eight people and injured more than 200 others.
Amtrak restarted its Eastern Corridor service Monday after suspending it following the deadly Philadelphia derailment.
Amtrak to restore full service between Philadelphia and New York at 5:30 a.m. on Monday.
Amtrak's top official apologized for the crash, which happened just outside Philadelphia Tuesday, killing eight.